MINERALISCHE ZUSCHLAGSTOFFE (STRASSENBAU); BAUSCHUTT + TRÜMMERSCHUTT + BAUABFÄLLE (ABFALLWESEN); TRAGSCHICHTEN + FUNDATIONSSCHICHTEN (STRASSENBAU); KIESBÖDEN + SANDBÖDEN (BODENMECHANIK); LABORVERSUCHE, MODELLVERSUCHE (BODENMECHANIK); ZEMENTBETON (BAUSTOFFE); RECYCLINGBAUSTOFFE (BAUSTOFFE); KORNGRÖSSENVERTEILUNG (BAUTECHNIK); MINERAL AGGREGATES (ROAD ENGINEERING); CONSTRUCTION WASTES + DEMOLITION WASTES (WASTE MANAGEMENT); BASE COURSES + SUBBASES (ROAD ENGINEERING); GRAVELLY SOILS + SANDY SOILS (SOIL MECHANICS); LABORATORY TESTS, MODEL TESTS (SOIL MECHANICS); CEMENT CONCRETE (BUILDING MATERIALS); RECYCLED MATERIALS (BUILDING MATERIALS); GRAIN SIZE DISTRIBUTION (BUILDING TECHNOLOGY)